/*node.h*/
#pragma once

class node {
private:
	double X = 0, Y = 0;
	int att;  //广义域下的坐标及序号
public:
	double x() { return this->X; };
	double y() { return this->Y; };
	int index() { return this->att; };
	node(double x = 0, double y= 0, int i = 0);  //构造函数
};